Pulsator for milking-machines.



RJLFQRSYTH. PULSATOR FOR MILK'ING MACHINES.

APPLICATION4 FILED FEB.25.1914.

w a h LND - namely, an actuating; r niotiif'e' pori'ion 1'( 'ne slclo of the 'vacuum-pump The claw 3) commises a boog yorf 'liree chambers er recesses, di

Central' or vziouinn eimrnberf? seing in ,comn mnnieziion wiiili the milk-pipe 8 while i'lie nwo innkng or pulsation eierobers 9 and I@ are in eomrnunienion with 'lae secondary ionisation es iiereinafcer oxivliineci. Projecing upwardly' and ontwarillyl at an :ingle from 'the of elle Soif' body portion of the claw are four stumps or Sheri; pipes communicating wim the central chamber i and aclnpted to receive the iezcible Lubes l2 oonnecting with the suoi-,ion chambers o'c' the {feat-cups ei. Elimiinrly projecting from die sides oi il'ie said body men'iber are four stunipn 'i3 Willen are orrangefi in n: irs so as Y no communicate espeetiveiy'wien elle cimm- Ders 9 and 1G and aciepecl to receive he tubes connecting with ionisation-elmm bers of ixe seat oups lit will ine seen ilin'b n claw of Eins construction 'will allow of the vorios '.Flezibie connections being; lecl off almost srrnight to enen of the teni-Cups, While Such consruction also permis of liorough cleansing 'by passing n brush down izhrongh he stumps into tire chambers in the body norion.

The secondnrypuisaor f comprises a cylinder having opiate or: onse i oriented io fit air-tigo?, upon the open opper Side of the body portion of iie .Claw 3 :mel be clamped in place by means of a sind 16 projecting downwardly' from the under side of vthe plato and nsizrpe'ieri to receive a not 162 upon the underside of die sinn.

The said eylincier compr' es two portions.

adapted, o receive the primary pnlsntion; anti necon-finry-nortion 18, :in iine therewith and of n. sinoiier iin ineer.v Adziped io reeinroemze wiciiif 'the e; ier is n, nir-ion LQ suitably stepped, so iii; lie wo {lianie:ers. The Sani 'piSon 1?; is formed. wie a hollow eore 2G which is Cloe-'ed at the enel afijncen; to he portion 1.7 and, open ai: "ehe emi adjacen; to elle portion i8.

Through iiie plate 25.5 nre -formeel three @orio 9i, 22, anti connnnnief-iing between the bore of the cylinder amitiee chambers 9 'I and 10 respectirelgn While suoli cylinder, at of near the ouiger enti of lie portion provided w' ii one or n pinrality of holes orV 2f? sommo o" beween Sile here i the Suciion clin ini; Y rn of ille ezrt'euy 2;*1 tions i the hollow eoze'i'l, ufliiie mount? *'iie periphery on? lie i oi' suoli piston working; in lelie *feylinrier is formeel o, inling from iil'lo Step of tlm piston for :i Sullieieni; diminue-:5 to bringe ille ports 2! :incl 23 or 32 and oeeorclinp; o the poniliion oi the pistonA By tiri?, arrangement ile 'Nes from lirougli the innen into lle zentral ulnnnier i" :unl from thence into lille mil ipe 8. il, will lie seen tlielefoe that, ne it 'lori'nf-a n, portion of she mill? i ge, sneli elnnnlxer i will no inn (ler eoninnons vacuum, :nul eonsernimnljv iie port eonnnunirniing uigl': snel; clnnnr ber 'wili also ne iunior vacuum. lis lli@ roeess i?? .iS :it all times in eomnniniootion n'iili the port 29, if@ will be umlersooll llnrlz tlio inner or Siep emi o ll ille larger portion o'l the pieton will lie inuler rzieuunl. All 'lie singe in llie primary pnl'ni'ion l'liewifove :it wliiel'i tile portion 17 of l'le cyliruler isplneml in communication willi ilu anmsnlure. lio pressure of lille latter noting upon ilxo largo emi of Suc-ii pis'ron will canse ili io :gouine llie position here Shown. 1n suoli nosilion of 'ille piston it Will bo 5seen tlml like reeess i2? will establish connection between 'lie pori;

and the port 255 thereby ril-Qing llm eliminlier l0 und conseqneniy i'llo pulf-ml'ion olnnn-4 bern o1" die teni-cups connected iilierewitli. in communication wili lille rzmnlnn o i' lilo niiilft-Qipe. Uliiile in 'this poSitio-n ol' the piston :also it will be seen flint, the groom 25 will be in coincidence willi tlieport 2l, #finis placing the climninel nmnl ilnx pulsulzion Chambers of the tenfeupn crunuwiml thorowili., in communication wiill lille atmospheric pressure.

At the Slazrgge in tlm primary nulnnion :it

which the por-fion 1'? of ille cylinder is uniler vacuum lioweverv the ninnsplierie pref: Sure noting upon the opposil'o emi and in the iiolion' core will cause snc-i1 'pinion lo assumo the position indicated in dotted lines. in ibis; nosiion the sinn-ller end o'f the piston 'wili uncover llie pori: Q25 :unl lnrc: plziee ille elrfnn. l() :rml elio nliszu'ion elnnnbers of; itis tent-cupe in eolnlnunientnm with. l'lie :itrnospliere, While the recess Q7 will connect the por# Wih he port 2l and so pince the elnlmluer enel lie pulsntion elunnbors of its rentrons nncier vienlnn.

il; wiil be understood therefor-o l'lnx, :is by ilo-.is invention the )irrisolti-:n1 is; produced .fit the clawn ille distance through which suoli. tion will rorniire lie im trzoismitl'mi. lo i {gent-cops oili ne ro :i Inininfuxn i nrl 'nlien "in in voli nnln 'rions` and ports and passages eooperaringr` with sai i faire ro ereere pneiiiii rie piifin tions in "che iniaiers or the two rear ewipe aiternateiy.

. o :i pipe iiiie, means 'to prerhice pn i ehe operar-ion oi' .whiie exhausing air 9. In a milking machine, the eoinhineinion with two doiihie-ehanioered tear enk s, of fr pipe line7 inea-ns to produce pneun'ia Y i tions therein, and ineens eonrreiinigiie pneumatic puisations to :T-oniis air infiater of one teile eiip 'whiie enh; i air from rhe iniia'er of the other ano rice versa. v

.10. in a ,iniiking niaciiiiie, i: e combinetfion with wo dou'bie-ehemhereri rear,

puisations therein.y a vahfe which is eonir-oiied h v said pneuriie, rions, and poi-'rs and passages wii'h said raive 'lo' admi#y air "io the ini" er" one rear eup wiiiie exinriieting air ri'oin. the in'fiii'ier of the other and riee ver-5 i Ina milking" machine7 tir'- tien wiih iwo douhie--ehainhereifi of s pipe line, ineens to produce piieuiir ':ie puisntions therein and te connect ifiie inner chambers of the tent cups with snoeien ani means controiieei by said pneumatic piiisations *so ereete pneumatic puisetions in I the iniiaiers or the twoA tent cups aiteineieiv.

12. in n milking machine, die combinavion with two doubie-ehanihered reet cups, or e pipe line, ineens to produce pne initie puisations VIiiiierein and ro eonueei: ihe inner eiiinnoersv of "ehe rear, cups wih sueiimi7 sind means eontroiieri by said pneumatic puisarrions io admit nir io the inietion chamber of one eup ifi/hiie exhausting zi ir from ihe iniiation chamber of ehe other and vice versa.

13. 'In a niiiiring machine, ihe combinei'ien 'with two douhie ehanibered reni, cups, of a pipe line, means ro produce pneumatic puisations therein and io eoiineei ihe'inner ehai'niers oir' the teni', cups with. suction, a virive the eperation of which eontroiied by said pneuma'ic puisaions, und poris and passages cooperating wih said valve ro ere-' are pneumatic piiisainions in the puisi-.rors of rhe two reary cups alternately.

14, in e milking machine, the combination with Anwo douhie-ehainiiered teni, cups, of a pipe iine, means io produce pneuinaic nuisaiious therein and to connect rho inner ehfiinhers oi the tent cups wii'ih sucion, a valve the operation of which is eoniroiied hy said pneumatic.puisaiions and porre und passages cooperating with said voire to ariinit air ro the iniiation ehainher oi one eup frein the iniiatien chamber of the oiher and rice versa.

i5. in a iniiiiing iiieeiiine, the, combinayien. with zi piiiriiity eti rwo--ehinnhered tent or a iii-ne pipe iine, pipes eeiineeied with 4die inner tent cup Chambers and adapted, for eornieerien with ith@ vacuum pipe line, ii, ne ond pipe-ine, a primary puisator adaptre produce pnisaiioiis in the seeond pipe iiiie-f, and i secondary piiisator connected *'-eh the second pipe iine and adiiptedto .ree 'ive puiszirions freni the ")riinziry puisaaor te .snppiy a. diiereiitixii puis-ation to ihe "but cops by piaoingj 'he puieation chambers o one pair of Suid mips in eomniunieation die atmosphere and the puisaiioii chambers of he other pair in communica- ;ioii n suerimi, and i lee versa. v

'iiiiiirinpg iiiziehine, ihe eomhinai'froii with if o dOuhie-ehaml)ered feat cups, oi: a inno iine, a primar)vr puisaror to produce tio pulsations i'herein, a vacuum line and, connections therefrom ro The inner oi'niinifers the leiiiz oups7 n secondary pulsaor 4'che operation of which is eon'roiied 'rrr said. pneumatic pulsations, and ports 'Y passages cooperating; with the secondary i' tor ro Connect the eurer-'chamber of one ren; eup wii'h the, ainiosphereand {he outer oiinnilher of ie iher ear cup wirh 'he vaeu um une iiiii i tion, uiin rire i ihie ehamhered 'leur cups, o a raciuiin pipe iiiie. pipes connected with riie inner Lear cup ehinnhers and adapted for connection with the vacuum pipe line, a. second pipe iine :md ineens ro produce pneuiiiatie pulsations therein, and means eeniiroiied by vsind pueuniiitie,puisnrions io ereaie pneumatic puisaiioiis in (he infiatien xwhere of he two reary oups aiiernaeiy:

n ii` milking machine, the eombinxL tion wih nwo double. ehaiiihered Lent eups, a vacuum pipe line? pipes eonneeredwuh the inner reet eup chambers and iicinpted for Connection with the vacuum pipe line` a Seeond pipe iine and means to produee pneumarie puisaiens therein, :ind means eontroiied by said piieunniiio mit air in the iniiitioii chamher of he one cup whiic eihaus'iing air vfrom he iniiation ehiimher or Jrhe other, and viee versa.

i9. ,"1 a iiniiuigl machine, the combination u' i two doiibie ehemhered "reat cups, of' a vacuum pipe hue, pipes connected with 'ehe inner rear cup Chambers and adapted `for eoniieeion wiih the Vacuum pipe line, a second pipe iine and means ro produce pneiunaiie puisai'ii'ins therein7 a valve the operaien of? which ee'ntroileifl by said pneumarie puisaizious, and ports and passages copera'ing with said .valve to creatie pneuiii-arie ,Jiiisiulions in the iniiation chambers o neiwo Abeat cups aiternateiy.

20. in :i milking; machine, the Combination, with "rufo double chainbeied teat cups, er a i-'iicuuin pipe line. pipes connected with rho inner tear. cup Chamber and `adapted for eoiineion with Jrhe vacuum pipeI line7 a seeond pipe iine and ineens to produce pneupuisations te :id-

Lemos@ v matic ulsations' therein, a valve theoperan testimony whereof have s'ilgned mytion o Whioh is controlled by said 4pneuname to this speccation in the presence of matic pulsatlons, and ports and passages two subscribm Witnesses.

coperating with said valve to admit air, to ROBE T BRUCE FORSYTH. 5 the inflation chamber of one cup While ex- Witnesses:

hausting air from the ination chamber of PERCY RICHMOND CLIMIE,

.the 'otherand -vce versa, CYRIL CARLYOW CoATEs. 

